Chapter 9 (komplett)

50問 • 1年前

問題一覧

Choose the common characteristics of the male and female reproductive systems:

They produce reproductive cells called gametes, They contains ducts which receive and transport gametes, They contain glands and accessory organs which secrete fluids (subsequently carried through the ducts), They include external genitalia (such as the vulva in women or the penis in men)

Choose the true statement(s) referring to the male reproductive system:

It is responsible for producing, storing, maintaining and transporting spermatozoa, It is responsible for producing, storing, maintaining and transporting male gametes, Have several structures similar to those of the female reproductive system: gonads, ducts, glands and accessory organs of the reproductive process

Choose the true statement(s) referring to the male reproductive system:

Its reproductive cells are called gametes, It is responsible for producing, storing, maintaining and transporting gametes, It consists of glands and accessory organs (the prostate, seminal vesicles)

Choose the true statement(s) referring to the male reproductive system:

It comprises gonads, ducts, glands and accessory organs, It comprises ducts, external genitalia, accessory organs and glands associated with the reproductive process, Testicles, also called male gonads, produce gametes and hormones

Which of the following statements referring to the male reproductive system are true?

Its reproductive cells are called gametes, just like those of the female reproductive system, It is responsible for producing, storing, maintaining and transporting male reproductive cells, The system has ducts which receive and transport reproductive cells, The system has accessory glands which secrete fluids that are transported through ducts

Choose the true statement(s) referring to the testicle:

It lies in the scrotum, a sac-like structure suspended under the perineum, It is an oval, flattened organ, Its function is to produce sex hormones (testosterone) and reproductive cells (spermatozoa)

Which of the following statements referring to the development of the testicles are true?

During the foetal phase, testicles develop in the abdominal cavity, near the kidney, and they descend to the scrotum until the 7th month of pregnancy, Cryptorchidism may lead to infertility and requires surgical intervention, The temperature inside the abdominal cavity, a few degrees higher than that in the scrotum, prevents the normal process of spermatogenesis, which is why testicles need to descend in the scrotum

Choose the correct definitions from below:

Cryptorchidism – disorder where testicles are prevented from descending into the scrotum, The spermatic cord – a structure consisting of the ductus deferens, blood vessels and nerves, The gubernaculum – a ligament of fibrous tissue, responsible with guiding the descent of the testicles into the scrotum

Choose the true statements:

The spermatic cord consists of blood vessels, nerves and the ductus deferens, The area of the inguinal canal is a low-resistance point in the abdominal wall thus facilitating the development of inguinal hernias, Hernias represent the protrusion of any abdominal structure through the abdominal wall

Choose the true statements referring to the scrotum:

It is a structure with multistratified walls which houses the testicles, It is divided into two compartments separated by a thickened ridge, The two compartments are delimited by the perineal raphe

Choose the true statements referring to the seminiferous tubules:

The germinal cells of the seminiferous tubules produce spermatozoa – the male sexual cells, The interstitial cells located outside the seminiferous tubules secrete androgenic hormones (mainly testosterone)

Choose the true statements referring to the testicular network (rete testis):

It is a plexus resulting from interconnecting seminiferous (convoluted) tubules, It is drained by the efferent channels which subsequently enter the epididymis, It is drained by several efferent channels which originate in the superior part of the testes

Choose the correct associations from below:

Scrotum – two compartment – the dartos muscle, Scrotum – one compartment for each testicle – perineal raphe, Inguinal canal – low resistance point of the anterior abdominal wall – inguinal hernia

Which of the following statements are true?

The seminal fluid adapts its composition according to the secretions or the cells lining the epididymis, The pH of the seminal fluid is acid due to the degradation products of stored sperm, Spermatozoa gain mobility in the epididymis in approximately two weeks

The following statement(s) is/are true about the epididymis:

It is the site of reabsorption for deteriorated spermatozoa and for residues, In it, spermatozoa become mobile in approximately two weeks, After leaving it, spermatozoa pass into the ductus deferens (vas deferens)

The following statement(s) is/are true about the accessory organs of the male reproductive system:

They are organs that participate in sperm transportation during copulation, The seminal vesicle is a paired organ and secretes prostaglandins (hormonal substances), The prostate, also called prostate gland, is an unpaired organ which secretes an alkaline fluid

Choose the true statements referring to spermatogenesis:

It is the process by which male gametes are produced, It begins in the outermost layer of the germinal cells in the seminiferous tubules, The cells resulting from this process are called spermatozoa

Choose the true statements referring to primary spermatocytes:

They result from the mitotic division of spermatogonia, They are diploid cells (2n), their nucleus containing 46 chromosomes per cell, They develop in the convoluted seminiferous tubules and they are moved to the inner regions of the latter

Which of the following statements referring to spermatozoa are true?

They are the result of the process of spermatogenesis, They are also called male reproductive cells or male gametes

Choose the true statements referring to the male gametes:

They are also called male sexual cells or spermatozoa, They develop in the lobules of testis, in the convoluted seminiferous tubules, The head, neck, middle piece and tail are parts of the spermatozoon

Choose the effects of testosterone:

It stimulates the metabolic processes that increase muscle mass, It ensures the proper functioning of the male reproductive system after puberty, It stimulates the development of male secondary sexual characteristics after puberty

Choose the true statements from below:

The follicle stimulating hormone FSH induces spermatogenesis, Testosterone induces spermatozoa maturation after puberty, In the foetus, testosterone contributes to the descent of the testes into the scrotum

Choose the true statements referring to testosterone and its effects:

It is a steroid hormone, It is produced in small amounts until puberty, After puberty, it stimulates the metabolic processes connected to protein synthesis

Which of the following statements are false?

During erection, the prostate’s erectile tissue fills with blood, The membranous urethra passes through the middle of the prostate and receives its secretions

About the ejaculate, it is true that:

It contains spermatozoa (20-100 million/ml semen), Its volume is normally of 2-5 ml, It contains lubricating mucus, secreted by the bulbourethral glands

Choose the true statements referring to the female reproductive system:

It produces and stores the female reproductive cells, It transports female gametes, It includes accessory glands and organs

The female reproductive system includes:

The external genitalia (the vulva), Ducts, which receive and transport gametes (fallopian tubes, the uterus, the vagina), Gonads, responsible for producing gametes, Ovaries, responsible for producing sex hormones

Referring to the functions of the female reproductive organs, which of the following statements are false?

The vagina protects and sustains the foetus during its development, The vestibule is the area between the labia majora and includes the anal orifice (anus)

Which of the following are functions of the female reproductive system structures?

Production of ova – the function of the ovaries, The site of fecundation – the function of fallopian tubes, Sustaining and protecting the embryo and the foetus – the function of the uterus

Choose the true statements referring to the ovaries:

They are paired organs which produce ova, They secrete female sex hormones (progesterone and oestrogen), They are small and almond-shaped

About the ovary, it is true that:

It is an unpaired, retroperitoneal, organ of about 5 cm long/2.5 cm wide, It is supported by a pair of ligaments (the ovarian ligament and the suspensory ligament), It has follicles containing maturating oocytes that will be released during ovulation

About the structure of the ovary, it is true that:

It includes the tunica albuginea, the ovarian cortex and the ovarian medulla, Ovarian follicles have several layers of cells which surround the immature primary oocyte, Approximately 14 days after ovulation, the ovary develops the white body, as a result of the regression of corpus luteum

Which of the following statement(s) represent(s) functions of the ovaries?

The production of sex hormones by the corpus luteum, Production of female gametes by oogenesis

Referring to the uterus, which of the following statements are true?

It is situated in the anterior part of the pelvic cavity, above the vagina and the urinary bladder, Its roles consist of ensuring the protection and the nutrients for the development of the embryo and the foetus, It is pear-shaped, except during pregnancy when it enlarges considerably

The following statement(s) is/are true about the component parts of the uterus:

Its upper part forms the body of the uterus, The inferior part of the uterus is called isthmus, The cervical canal opens into the vagina through the external orifice of the cervix

Choose the correct statements from below:

The broad ligament of the uterus is a peritoneal fold which houses the most important organs of the female genital tract, Fallopian tubes open into the pelvic cavity, lateral to the ovaries, The broad ligament of the uterus is attached to the lateral walls and the floor of the pelvic cavity

A fallopian tube has:

An infundibulum, situated near the ovary, An infundibulum and fimbriae – branching projections extending towards the ovary, The ampulla, which continues with the isthmus, towards the uterus

Which of the following statements referring to the vagina are true?

It is a fibromuscular canal that extends from the cervix to the vaginal opening in the vestibule, The hymen is a thin fold of epithelium which partially or totally blocks the penetration of the vagina before intercourse

Choose the correct associations referring to external female genitalia:

The vestibule – urethral orifice, situated anteriorly – vaginal opening, situated posteriorly, Vestibular glands – Bartholin glands – lubricating secretions

Which of the functions below are attributed the external female genitalia?

Lubricating the vagina with glandular secretions (Bartholin glands, Skene glands), Delimiting the vestibule which contains the urethral and the vaginal openings (labia minora)

The following statements are true referring to the mammary glands:

They are alveolar glands, They produce milk to feed newborns, They belong to the breasts and are situated in the anterior thoracic region

Choose the true statements referring to the menstrual cycle:

It occurs as a response to the alterations in the blood levels of the hormones secreted by the ovary, It lasts approximately 28 days, Ovulation normally occurs in the middle of the cycle

Choose the correct statements referring to the menstrual cycle:

The onset of the menstruation marks the beginning of a new menstrual cycle, The first menstruation in a woman’s life is called menarche, The permanent stop of menstrual cycles is called menopause

Which of the following effects is induced by oestrogen hormones?

Stimulating the development of female sexual characteristics

Choose the correct statements from below:

In the vesicular follicle, the oocyte lies in a fluid-filled cavity, called antrum, If fecundation doesn’t take place, the corpus luteum starts to degenerate, If fecundation occurs, the corpus luteum continues to secrete hormones

Choose the correct statements referring to fertilisation:

It represents the union of gametes during sexual reproduction, It usually occurs in the fallopian tubes, by the union of a spermatozoon with an ovum, The result of this process leads to the production of a fertilised ovum (zygote or egg-cell)

Choose the correct statements about the foetal membranes:

During its development, the embryo is surrounded by several membranes, The chorion is the origin of the chorionic villi, The allantois is a part of the umbilical cord

Which of the following associations are correct?

Ectoderm – nervous system – the epidermis and its accessories (nails, hair), Mesoderm – circulatory system – skeleton – cardiac muscle, Endoderm – digestive tract mucosa – respiratory tract mucosa

Choose the correct associations about parturition:

The onset of labour – a decrease of progesterone secretion in the placenta, Oxytocin – stimulation of strong uterine contractions, Contractions of the abdominal wall – induced by uterine contractions via spinal cord reflexes

Choose the correct statements from below:

Also called parturition, childbirth occurs approximately 9 months after fertilisation, During the eighth month of pregnancy, the foetus has real chances of survival outside the mother’s body, Placental expulsion from the uterus occurs a few minutes after childbirth

Chapter 1 (komplett)

X · 50問 · 1年前

Chapter 1 (komplett)

50問 • 1年前

Chapter 1 (A)